Question

x2 + y2 + 10y + 20 = 0

Answer 1

whats the question?

Answer 2

Show that the equation represents a circle by rewriting it in standard form, and find the center and radius of the circle.

Answer 3

complete the square for y.

Answer 4

x^2 +(y+5)^2= 5

Answer 5

good work matricked, no working whatsoever to show how you got that.

Answer 6

centre (0,-5) and radius sqrt(5)